Question

X2+5x-6=0 help me kk

Answer 1

x² + 5x - 6 = 0

Δ = (5)² - 4(1)(-6)

Δ = 25 + 24

Δ = 49

$x=\frac{-5~\pm~7}{2} \\ \\ x'= \frac{-5~+~7}{2} =1\\ \\ x''=\frac{-5~-~7}{2} =-6$

S = {-6, 1}